<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="">
      </div>
      <!-- 登录表单区域 -->
      <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
        <!-- 用户名 -->
        <el-form-item prop="accountId">
          <el-input v-model="loginForm.accountId" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="passWord">
          <el-input v-model="loginForm.passWord" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
  import {userHttp} from 'network/user'

  export default {
    data() {
      return {
        // 这是登录表单的数据绑定对象
        loginForm: {
          accountId: 'admin',
          passWord: '123456'
        },
        // 这是表单的验证规则对象
        loginFormRules: {
          // 验证用户名是否合法
          accountId: [
            { required: true, message: '请输入登录名称', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
          // 验证密码是否合法
          passWord: [
            { required: true, message: '请输入登录密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ]
        }
      }
    },
    methods: {
      // 点击重置按钮，重置登录表单
      resetLoginForm() {
        // console.log(this);
        this.$refs.loginFormRef.resetFields()
      },
      login () {
        this.$refs.loginFormRef.validate(async valid => {
          if (!valid) return
          userHttp.login(this.loginForm).then(res=> {
            console.log(res);
            if (res && res.code == 20000) {
              const user = {
                userId: res.data.userId,
                accountId: res.data.accountId,
                nickName: res.data.nickName,
                token: res.data.token,
              }
              //保存到vuex里
              this.$store.commit('addUser',user)
              //保存到session里
               window.sessionStorage.setItem('token',user.token)
              //跳转首页
              this.$router.push('/home')
            }else{
              this.$message.error(res.message)
            }
          })
        })
      }
    }
  }
</script>

<style lang="less" scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }

  .login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .avatar_box {
      height: 130px;
      width: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      background-color: #fff;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
  }

  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }

  .btns {
    display: flex;
    justify-content: flex-end;
  }
</style>
